The following railroads operate in the U.S. state of New Hampshire.
Common freight carriers
Green Mountain Railroad (GMRC) (owned by Vermont Railway) Milford-Bennington Railroad (MBRX) New England Central Railroad (NECR) (Genesee and Wyoming) New England Southern Railroad (NEGS) New Hampshire Central Railroad (NHCR) New Hampshire Northcoast Corporation (NHN) Pan Am Railways (PAR) Pan Am Southern Railroad (PAS) (operated by Pan Am Railways) St. Lawrence & Atlantic Railroad (SLR) (Genesee and Wyoming)
Passenger carriers
Amtrak (AMTK) Conway Scenic Railroad (CSRX) Hobo Railroad Mount Washington Cog Railway (MWRC) Silver Lake Railroad White Mountain Central Railroad Wilton Scenic Railroad Winnipesaukee Scenic Railroad
Defunct railroads
NameMarkSystemThis is one or more of the Class I railroads that the railroad became part of, if any.FromToSuccessorNotesAshuelot RailroadB&M18441890Connecticut River RailroadAtlantic and St. Lawrence RailroadCN18471960Canadian National RailwayBerlin Mills RailwayBMS1999St. Lawrence and Atlantic RailroadBoston, Concord and Montreal RailroadB&M18441890Concord and Montreal RailroadBoston and Lowell RailroadB&M18801919Boston and Maine RailroadBoston and Maine CorporationBMB&M1963Still exists as a lessor of Pan Am Railways operating subsidiary Springfield Terminal RailwayBoston and Maine RailroadB&M, BMB&M18351964Boston and Maine CorporationBrookline RailroadB&M18911895Fitchburg RailroadBrookline and Milford RailroadB&M18931895Fitchburg RailroadCanadian National RailwayCNCN19231998St. Lawrence and Atlantic RailroadCentral Vermont RailroadCN18731899Central Vermont RailwayCentral Vermont RailwayCVCN18991995New England Central RailroadCheshire RailroadB&M18441890Fitchburg RailroadClaremont and Concord RailwayCLCO19541988Claremont Concord RailroadCocheco RailroadB&M18471863Dover and Winnipiseogee RailroadConcord RailroadB&M18351890Concord and Montreal RailroadConcord and Claremont RailroadB&M18731945Boston and Maine RailroadConcord and Claremont RailroadB&M18481853Merrimack and Connecticut River RailroadConcord and Montreal RailroadB&M18901919Boston and Maine RailroadConcord and Portsmouth RailroadB&M18551944Boston and Maine RailroadConnecticut River RailroadB&M18491919Boston and Maine RailroadContoocook River RailroadB&M18561873Concord and Claremont RailroadContoocook Valley RailroadB&M18481857Contoocook River RailroadDover and Winnipiseogee RailroadB&M18621892Boston and Maine RailroadDover and Winnipisiogee RailroadB&M18391841Boston and Maine RailroadEastern RailroadB&M18391890Boston and Maine RailroadEastern Railroad in New HampshireB&M18361899Boston and Maine RailroadFitchburg RailroadB&M18471919Boston and Maine RailroadFranklin and Bristol RailroadB&M18481849Northern RailroadFranklin and Tilton RailroadB&M18891943Boston and Maine RailroadGlen Junction Transfer Company1897Goodwin RailroadGWIN19761981North Stratford RailroadGrafton RailroadB&M1847Northern RailroadGrand Trunk RailwayGTCN18531923Canadian National RailwayGreat Falls and Conway RailroadB&M18441865Portsmouth, Great Falls and Conway RailroadGroton and Nashua RailroadB&M18441846Worcester and Nashua RailroadLake Shore RailroadB&M18831901Concord and Montreal RailroadMaine Central RailroadMECMEC18882003New Hampshire Central RailroadManchester and Keene RailroadB&M18641881Boston and Lowell Railroad/ Concord RailroadManchester and Lawrence RailroadB&M18471919Boston and Maine RailroadManchester and North Weare RailroadB&M18581899Concord and Montreal RailroadMerrimack and Connecticut River RailroadB&M18531873Concord and Claremont RailroadMonadnock RailroadB&M18481892Fitchburg RailroadNashua and Acton RailroadB&M19071925N/ANashua, Acton and Boston RailroadB&M18721906Nashua and Acton RailroadNashua and Epping RailroadB&M18481868Nashua and Rochester RailroadNashua and Lowell RailroadB&M18351944Boston and Maine RailroadNashua and Rochester RailroadB&M18681883Worcester, Nashua and Rochester RailroadNew Boston RailroadB&M18911934N/ANew Hampshire Central RailroadB&M18481853Merrimack and Connecticut River RailroadNew Hampshire and Vermont RailroadNHVT19892000New Hampshire Central RailroadNorth Stratford RailroadNSRC19771989New Hampshire Central RailroadNorthern RailroadB&M1844Pemigewasset Valley RailroadB&M18741947Boston and Maine RailroadPeterborough RailroadB&M18661944Boston and Maine RailroadPeterborough and Hillsborough RailroadB&M18691945Boston and Maine RailroadPeterborough and Shirley RailroadB&M18461860Fitchburg RailroadPortland and Ogdensburg RailroadMEC18691887Portland and Ogdensburg RailwayPortland and Ogdensburg RailwayMEC18861943Maine Central RailroadPortland, White Mountains and Ogdensburg RailroadMEC18671869Portland and Ogdensburg RailroadPortsmouth and Concord RailroadB&M18451857Concord and Portsmouth RailroadPortsmouth and Dover RailroadB&M18661900Boston and Maine RailroadPortsmouth, Great Falls and Conway RailroadB&M18651890Boston and Maine RailroadPortsmouth, New Market and Concord RailroadB&M18451845Portsmouth and Concord RailroadPortsmouth, New Market and Exeter RailroadB&M18451845Portsmouth and Concord RailroadPortland and Rochester RailroadB&M18661900Boston and Maine RailroadProfile and Franconia Notch RailroadB&M18781901Concord and Montreal RailroadSanford and Eastern Railroad19491961Sugar River RailroadB&M18661873Concord and Claremont RailroadSullivan RailroadB&M18461866Sullivan County RailroadSullivan County RailroadSCB&M18661949Boston and Maine RailroadSuncook Valley RailroadB&M18701952N/ABecame independent from B&M in 1924.Suncook Valley Extension RailroadB&M18891947Concord and Montreal RailroadAcquired by Suncook Valley Railroad in 1925.Tilton and Belmont RailroadB&M18831901Concord and Montreal RailroadTwin State RailroadTSRD19841999New Hampshire Central RailroadUpper Coos RailroadMEC18831982Maine Central RailroadVermont Central RailroadCN18711873Central Vermont RailroadWest Amesbury Branch RailroadB&M18681893Boston and Maine RailroadWhite Mountains RailroadB&M18481873Boston, Concord and Montreal RailroadWhitefield and Jefferson RailroadB&M18781904Concord and Montreal RailroadWilton RailroadB&M18441944Boston and Maine RailroadWolfeboro RailroadWLFB19751976Goodwin RailroadWolfeborough RailroadB&M18621892Boston and Maine RailroadWorcester and Nashua RailroadB&M18451883Worcester, Nashua and Rochester RailroadWorcester, Nashua and Rochester RailroadB&M18831911Boston and Maine Railroad
Private carriers Sawyer River Railroad Wild River Railroad
Electric Bay State Street Railway Berlin Street Railway Boston and Maine Railroad (Concord and Manchester Electric Branch, Portsmouth Electric Branch) Boston and Northern Street Railway Chester and Derry Railroad Claremont Railway Claremont Railway and Lighting Company Claremont Street Railway Concord Street Railway Dover, Somersworth and Rochester Street Railway Exeter, Hampton and Amesbury Street Railway Exeter Street Railway Goffs Falls, Litchfield and Hudson Street Railway Hampton and Amesbury Street Railway Haverhill, Plaistow and Newton Street Railway Hudson, Pelham and Salem Street Railway Keene Electric Railway Laconia and Lakeport Street Railway Laconia Street Railway Manchester and Derry Street Railway Manchester Street Railway Manchester and Nashua Street Railway Manchester Traction, Light and Power Company Massachusetts Northeastern Street Railway Nashua Street Railway Portsmouth and Exeter Street Railway Rochester Street Railroad Seabrook and Hampton Beach Street Railway Springfield Electric Railway Springfield Terminal Railway (ST) Union Electric Railway
Not completed Portland and Rutland Railroad Portland, Rutland, Oswego and Chicago Railroad
Notes
References Association of American Railroads (2003), Railroad Service in New Hampshire (PDF). Retrieved May 11, 2005.